Jake Owen, Darius Rucker, Clay Walker and Lady Antebellum's Charles Kelley are among the celebrities scheduled to play in the AT&T Pebble Beach National Pro-Am in Monterey, Calif. Activities began Monday (Feb. 4), and the tournament tees off Thursday (Feb. 7). Celebrities will be paired with professional golfers, and the event will be played on three golf courses. The golf tournament began in 1937 and has raised more than $100 million for charity. In related news, Lady Antebellum, Rucker and Walker will all play the San Antonio Stock Show and Rodeo -- Walker on Thursday (Feb. 7), Lady Antebellum on Feb. 16 and Rucker on Feb. 24. Owen will join Jason Aldean's Night Train tour Feb. 21.